ObjFW  Check-in [319709fff1]

{
	OFString *_programName;
	OFArray OF_GENERIC(OFString *) *_arguments;
	OFMutableDictionary OF_GENERIC(OFString *, OFString *) *_environment;
	int *_argc;
	char ***_argv;
@public
	id <OFApplicationDelegate> _delegate;
	void (*_SIGINTHandler)(id, SEL);
	id <OFApplicationDelegate> _Nullable _delegate;
	void (*_Nullable _SIGINTHandler)(id, SEL);
#ifndef OF_WINDOWS
	void (*_SIGHUPHandler)(id, SEL);
	void (*_SIGUSR1Handler)(id, SEL);
	void (*_SIGUSR2Handler)(id, SEL);
	void (*_Nullable _SIGHUPHandler)(id, SEL);
	void (*_Nullable _SIGUSR1Handler)(id, SEL);
	void (*_Nullable _SIGUSR2Handler)(id, SEL);
#endif
}

/*!
 * The name of the program (argv[0]).
 */
@property (readonly, nonatomic) OFString *programName;

#define REGISTER_SIGNAL(sig)						\
	if ([delegate respondsToSelector:				\
	    @selector(applicationDidReceive##sig)]) {			\
		_##sig##Handler = (void (*)(id, SEL))[(id)delegate	\
		    methodForSelector:					\
		    @selector(applicationDidReceive##sig)];		\
		signal(sig, handle##sig);				\
	} else								\
		signal(sig, (void (*)(int))SIG_DFL);
	} else {							\
		_##sig##Handler = NULL;					\
		signal(sig, (void (*)(int))SIG_DFL);			\
	}

	_delegate = delegate;

	REGISTER_SIGNAL(SIGINT)
#ifdef SIGHUP
	REGISTER_SIGNAL(SIGHUP)
#endif

/*!
 * @brief Checks whether the array contains an object equal to the specified
 *	  object.
 *
 * @param object The object which is checked for being in the array
 * @return A boolean whether the array contains the specified object
 */
- (bool)containsObject: (nullable ObjectType)object;
- (bool)containsObject: (ObjectType)object;

/*!
 * @brief Checks whether the array contains an object with the specified
 *	  address.
 *
 * @param object The object which is checked for being in the array
 * @return A boolean whether the array contains an object with the specified
 *	   address
 */
- (bool)containsObjectIdenticalTo: (nullable ObjectType)object;
- (bool)containsObjectIdenticalTo: (ObjectType)object;

/*!
 * @brief Returns the first object of the array or `nil`.
 *
 * @warning The returned object is *not* retained and autoreleased for
 *	    performance reasons!
 *

#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
# undef ObjectType
#endif
@end

@interface OFArrayEnumerator: OFEnumerator
{
	OFArray	      *_array;
	size_t	      _count;
	OFArray	*_array;
	size_t _count;
	unsigned long _mutations;
	unsigned long *_mutationsPtr;
	size_t	      _position;
	unsigned long *_Nullable _mutationsPtr;
	size_t _position;
}

- initWithArray: (OFArray *)data
   mutationsPtr: (unsigned long *_Nullable)mutationsPtr;
@end

OF_ASSUME_NONNULL_END

/*!
 * @brief Checks whether the collection contains an object equal to the
 *	  specified object.
 *
 * @param object The object which is checked for being in the collection
 * @return A boolean whether the collection contains the specified object
 */
- (bool)containsObject: (nullable id)object;
- (bool)containsObject: (id)object;
@end

OF_ASSUME_NONNULL_END

 *
 * For security reasons, serialization and deserialization is only implemented
 * for OFData with item size 1.
 */
@interface OFData: OFObject <OFCopying, OFMutableCopying, OFComparing,
    OFSerialization, OFMessagePackRepresentation>
{
	unsigned char *_items;
	unsigned char *_Nullable _items;
	size_t _count, _itemSize;
	bool _freeWhenDone;
}

/*!
 * The size of a single item in the OFData in bytes.
 */

 *
 * @brief A class that handles GZIP compression and decompression transparently
 *	  for an underlying stream.
 */
@interface OFGZIPStream: OFStream
{
	OFStream *_stream;
	OFInflateStream *_inflateStream;
	OFInflateStream *_Nullable _inflateStream;
	enum of_gzip_stream_state {
		OF_GZIP_STREAM_ID1,
		OF_GZIP_STREAM_ID2,
		OF_GZIP_STREAM_COMPRESSION_METHOD,
		OF_GZIP_STREAM_FLAGS,
		OF_GZIP_STREAM_MODIFICATION_TIME,
		OF_GZIP_STREAM_EXTRA_FLAGS,

		OF_GZIP_STREAM_OS_NTFS	       =  11,
		OF_GZIP_STREAM_OS_QDOS	       =  12,
		OF_GZIP_STREAM_OS_ACORN_RISCOS =  13,
		OF_GZIP_STREAM_OS_UNKNOWN      = 255
	} _OS;
	size_t _bytesRead;
	uint8_t _buffer[4];
	OFDate *_modificationDate;
	OFDate *_Nullable _modificationDate;
	uint16_t _extraLength;
	uint32_t _CRC32, _uncompressedSize;
}

/*!
 * @brief Creates a new OFGZIPStream with the specified underlying stream.
 *

 * @class OFHMAC OFHMAC.h ObjFW/OFHMAC.h
 *
 * @brief A class which provides methods to calculate an HMAC.
 */
@interface OFHMAC: OFObject
{
	Class <OFCryptoHash> _hashClass;
	id <OFCryptoHash> _outerHash, _innerHash;
	id <OFCryptoHash> _outerHashCopy, _innerHashCopy;
	id <OFCryptoHash> _Nullable _outerHash, _innerHash;
	id <OFCryptoHash> _Nullable _outerHashCopy, _innerHashCopy;
	bool _calculated;
}

/*! The class for the cryptographic hash used by the HMAC. */
@property (readonly, nonatomic) Class <OFCryptoHash> hashClass;

/*!

/*!
 * @class OFHTTPClient OFHTTPClient.h ObjFW/OFHTTPClient.h
 *
 * @brief A class for performing HTTP requests.
 */
@interface OFHTTPClient: OFObject
{
	id <OFHTTPClientDelegate> _delegate;
	id <OFHTTPClientDelegate> _Nullable _delegate;
	bool _insecureRedirectsAllowed;
	OFTCPSocket *_socket;
	OFURL *_lastURL;
	OFTCPSocket *_Nullable _socket;
	OFURL *_Nullable _lastURL;
	bool _lastWasHEAD;
	OFHTTPResponse *_lastResponse;
	OFHTTPResponse *_Nullable _lastResponse;
}

/*!
 * The delegate of the HTTP request.
 */
@property OF_NULLABLE_PROPERTY (nonatomic, assign)
    id <OFHTTPClientDelegate> delegate;

 * @class OFHTTPCookie OFHTTPCookie.h ObjFW/OFHTTPCookie.h
 *
 * @brief A class for storing and manipulating HTTP cookies.
 */
@interface OFHTTPCookie: OFObject <OFCopying>
{
	OFString *_name, *_value, *_domain, *_path;
	OFDate *_expires;
	OFDate *_Nullable _expires;
	bool _secure, _HTTPOnly;
	OFMutableArray OF_GENERIC(OFString *) *_extensions;
}

/*!
 * The name of the cookie.
 */

 * @brief A class for storing HTTP requests.
 */
@interface OFHTTPRequest: OFObject <OFCopying>
{
	OFURL *_URL;
	of_http_request_method_t _method;
	of_http_request_protocol_version_t _protocolVersion;
	OFDictionary OF_GENERIC(OFString *, OFString *) *_headers;
	OFData *_body;
	OFString *_remoteAddress;
	OFDictionary OF_GENERIC(OFString *, OFString *) *_Nullable _headers;
	OFData *_Nullable _body;
	OFString *_Nullable _remoteAddress;
}

/*!
 * The URL of the HTTP request.
 */
@property (nonatomic, copy) OFURL *URL;

 * The status code of the reply to the HTTP request.
 */
@property (nonatomic) short statusCode;

/*!
 * The headers of the reply to the HTTP request.
 */
@property OF_NULLABLE_PROPERTY (nonatomic, copy)
    OFDictionary OF_GENERIC(OFString *, OFString *) *headers;
@property (copy, nonatomic) OFDictionary OF_GENERIC(OFString *, OFString *)
    *headers;

/*!
 * @brief Sets the protocol version of the HTTP request reply.
 *
 * @param protocolVersion The protocol version of the HTTP request reply
 */
- (void)setProtocolVersion: (of_http_request_protocol_version_t)protocolVersion;

@implementation OFHTTPResponse
@synthesize statusCode = _statusCode, headers = _headers;

- init
{
	self = [super init];

	@try {
	_protocolVersion.major = 1;
	_protocolVersion.minor = 1;
		_protocolVersion.major = 1;
		_protocolVersion.minor = 1;
		_headers = [[OFDictionary alloc] init];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_headers release];

/*!
 * @class OFHTTPServer OFHTTPServer.h ObjFW/OFHTTPServer.h
 *
 * @brief A class for creating a simple HTTP server inside of applications.
 */
@interface OFHTTPServer: OFObject
{
	OFString *_host;
	OFString *_Nullable _host;
	uint16_t _port;
	id <OFHTTPServerDelegate> _delegate;
	OFString *_name;
	OFTCPSocket *_listeningSocket;
	id <OFHTTPServerDelegate> _Nullable _delegate;
	OFString *_Nullable _name;
	OFTCPSocket *_Nullable _listeningSocket;
}

/*!
 * The host on which the HTTP server will listen.
 */
@property OF_NULLABLE_PROPERTY (nonatomic, copy) OFString *host;

#import "OFString.h"

OF_ASSUME_NONNULL_BEGIN

@class OFStream;

@interface OFINICategory ()
- (instancetype)of_init OF_METHOD_FAMILY(init);
- (instancetype)of_initWithName: (OFString *)name OF_METHOD_FAMILY(init);
- (void)of_parseLine: (OFString *)line;
- (bool)of_writeToStream: (OFStream *)stream
		encoding: (of_string_encoding_t)encoding
		   first: (bool)first;
@end

OF_ASSUME_NONNULL_END

	[super dealloc];
}
@end

@implementation OFINICategory
@synthesize name = _name;

- (instancetype)of_init
- (instancetype)of_initWithName: (OFString *)name
{
	self = [super init];

	@try {
		_name = [name copy];
		_lines = [[OFMutableArray alloc] init];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;

	void *pool = objc_autoreleasePoolPush();
	OFINICategory *category;

	for (category in _categories)
		if ([[category name] isEqual: name])
			return category;

	category = [[[OFINICategory alloc] of_init] autorelease];
	category = [[[OFINICategory alloc] of_initWithName: name] autorelease];
	[category setName: name];
	[_categories addObject: category];

	objc_autoreleasePoolPop(pool);

	return category;
}

			if (![line hasSuffix: @"]"])
				@throw [OFInvalidFormatException exception];

			categoryName = [line substringWithRange:
			    of_range(1, [line length] - 2)];

			category = [[[OFINICategory alloc]
			    of_init] autorelease];
			[category setName: categoryName];
			    of_initWithName: categoryName] autorelease];
			[_categories addObject: category];
		} else {
			if (category == nil)
				@throw [OFInvalidFormatException exception];

			[category of_parseLine: line];
		}

#endif
	OFStream *_stream;
	uint8_t _buffer[OF_INFLATE_STREAM_BUFFER_SIZE];
	uint16_t _bufferIndex, _bufferLength;
	uint8_t _byte;
	uint8_t _bitIndex, _savedBitsLength;
	uint16_t _savedBits;
	uint8_t *_slidingWindow;
	uint8_t *_Nullable _slidingWindow;
	uint16_t _slidingWindowIndex, _slidingWindowMask;
	int _state;
	union {
		struct {
			uint8_t position;
			uint8_t length[4];
		} uncompressedHeader;
		struct {
			uint16_t position, length;
		} uncompressed;
		struct {
			struct huffman_tree *_Nullable litLenTree;
			struct huffman_tree *litLenTree, *distTree;
			struct huffman_tree *codeLenTree, *treeIter;
			uint8_t *lengths;
			struct huffman_tree *_Nullable distTree;
			struct huffman_tree *_Nullable codeLenTree;
			struct huffman_tree *_Nullable treeIter;
			uint8_t *_Nullable lengths;
			uint16_t receivedCount;
			uint8_t value, litLenCodesCount, distCodesCount;
			uint8_t codeLenCodesCount;
		} huffmanTree;
		struct {
			struct huffman_tree *_Nullable litLenTree;
			struct huffman_tree *litLenTree, *distTree;
			struct huffman_tree *treeIter;
			struct huffman_tree *_Nullable distTree;
			struct huffman_tree *_Nullable treeIter;
			int state;
			uint16_t value, length, distance, extraBits;
		} huffman;
	} _context;
	bool _inLastBlock, _atEndOfStream;
}

 *
 * @brief A class for describing a property.
 */
@interface OFProperty: OFObject
{
	OFString *_name;
	unsigned _attributes;
	OFString *_getter, *_setter;
	OFString *_Nullable _getter, *_Nullable _setter;
}

/*!
 * The name of the property.
 */
@property (readonly, nonatomic) OFString *name;

 */
@interface OFKernelEventObserver: OFObject
{
	OFMutableArray OF_GENERIC(id <OFReadyForReadingObserving>)
	    *_readObjects;
	OFMutableArray OF_GENERIC(id <OFReadyForWritingObserving>)
	    *_writeObjects;
	id <OFKernelEventObserverDelegate> _delegate;
	id <OFKernelEventObserverDelegate> _Nullable _delegate;
#ifdef OF_HAVE_PIPE
	int _cancelFD[2];
#else
	of_socket_t _cancelFD[2];
	struct sockaddr_in _cancelAddr;
#endif
#ifdef OF_HAVE_THREADS

 */
@interface OFList OF_GENERIC(ObjectType): OFObject <OFCopying, OFCollection,
    OFSerialization>
#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
# define ObjectType id
#endif
{
	of_list_object_t *_firstListObject;
	of_list_object_t *_lastListObject;
	size_t		 _count;
	unsigned long	 _mutations;
	of_list_object_t *_Nullable _firstListObject;
	of_list_object_t *_Nullable _lastListObject;
	size_t _count;
	unsigned long  _mutations;
}

/*!
 * The first list object of the list.
 */
@property OF_NULLABLE_PROPERTY (readonly, nonatomic)
    of_list_object_t *firstListObject;

#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
# undef ObjectType
#endif
@end

@interface OFListEnumerator: OFEnumerator
{
	OFList		 *_list;
	of_list_object_t *_current;
	unsigned long	 _mutations;
	unsigned long	 *_mutationsPtr;
	OFList *_list;
	of_list_object_t *_Nullable _current;
	unsigned long _mutations;
	unsigned long *_Nullable _mutationsPtr;
}

-     initWithList: (OFList *)list
  mutationsPointer: (unsigned long *)mutationsPtr;
@end

OF_ASSUME_NONNULL_END

/*!
 * @class OFLocalization OFLocalization.h ObjFW/OFLocalization.h
 *
 * @brief A class for querying the locale and retrieving localized strings.
 */
@interface OFLocalization: OFObject
{
	OFString *_language;
	OFString *_Nullable _language, *_Nullable _territory;
	OFString *_territory;
	of_string_encoding_t _encoding;
	OFString *_decimalPoint;
	OFMutableArray OF_GENERIC(OFDictionary OF_GENERIC(OFString *, id) *)
	    *_localizedStrings;
}

/**

 *
 * @brief A class similar to OFDictionary, but providing more options how keys
 *	  and objects should be retained, released, compared and hashed.
 */
@interface OFMapTable: OFObject <OFCopying, OFFastEnumeration>
{
	of_map_table_functions_t _keyFunctions, _objectFunctions;
	struct of_map_table_bucket **_buckets;
	struct of_map_table_bucket *_Nonnull *_Nullable _buckets;
	uint32_t _count, _capacity;
	uint8_t _rotate;
	unsigned long _mutations;
}

/*!
 * The key functions used by the map table.

 *
 * @brief A class which provides methods to enumerate through an OFMapTable's
 *	  keys or objects.
 */
@interface OFMapTableEnumerator: OFObject
{
	OFMapTable *_mapTable;
	struct of_map_table_bucket **_buckets;
	struct of_map_table_bucket *_Nonnull *_Nullable _buckets;
	uint32_t _capacity;
	unsigned long _mutations;
	unsigned long *_mutationsPtr;
	unsigned long *_Nullable _mutationsPtr;
	uint32_t _position;
}

- init OF_UNAVAILABLE;

/*!
 * @brief Returns the next object.

 *
 * @brief A class for creating mutual exclusions.
 */
@interface OFMutex: OFObject <OFLocking>
{
	of_mutex_t _mutex;
	bool _initialized;
	OFString *_name;
	OFString *_Nullable _name;
}

/*!
 * @brief Creates a new mutex.
 *
 * @return A new autoreleased mutex.
 */
+ (instancetype)mutex;
@end

OF_ASSUME_NONNULL_END

@interface OFOptionsParser: OFObject
{
	of_options_parser_option_t *_options;
	OFMapTable *_longOptions;
	OFArray OF_GENERIC(OFString *) *_arguments;
	size_t _index, _subIndex;
	of_unichar_t _lastOption;
	OFString *_lastLongOption, *_argument;
	OFString *_Nullable _lastLongOption, *_Nullable _argument;
	bool _done;
}

/*!
 * The last parsed option.
 *
 * If @ref nextOption returned `?` or `:`, this returns the option which was

 * @brief A class for creating mutual exclusions which can be entered
 *	  recursively.
 */
@interface OFRecursiveMutex: OFObject <OFLocking>
{
	of_rmutex_t _rmutex;
	bool _initialized;
	OFString *_name;
	OFString *_Nullable _name;
}

/*!
 * @brief Creates a new recursive mutex.
 *
 * @return A new autoreleased recursive mutex.
 */
+ (instancetype)mutex;
@end

OF_ASSUME_NONNULL_END

    OFReadyForReadingObserving, OFReadyForWritingObserving,
#endif
    OFCopying>
{
#if !defined(OF_SEEKABLE_STREAM_M) && !defined(OF_TCP_SOCKET_M)
@private
#endif
	char *_Nullable _readBuffer, *_Nullable _readBufferMemory;
	char *_readBuffer, *_readBufferMemory, *_writeBuffer;
	char *_Nullable _writeBuffer;
	size_t _readBufferLength, _writeBufferLength;
	bool _writeBuffered, _waitingForDelimiter;
@protected
	bool _blocking;
}

/*!

	struct of_string_utf8_ivars {
		char	 *cString;
		size_t	 cStringLength;
		bool	 isUTF8;
		size_t	 length;
		bool	 hashed;
		uint32_t hash;
		char	 *freeWhenDone;
		char	 *_Nullable freeWhenDone;
	} *restrict _s;
	struct of_string_utf8_ivars _storage;
}
@end

#ifdef __cplusplus
extern "C" {

 *
 * To connect to a server, create a socket and connect it.
 * To create a server, create a socket, bind it and listen on it.
 */
@interface OFTCPSocket: OFStreamSocket
{
	bool _listening;
	struct sockaddr *_address;
	struct sockaddr *_Nullable _address;
	socklen_t _addressLength;
	OFString *_SOCKS5Host;
	OFString *_Nullable _SOCKS5Host;
	uint16_t _SOCKS5Port;
#ifdef OF_WII
	uint16_t _port;
#endif
}

/*!

@interface OFTarArchive: OFObject
{
#ifdef OF_TAR_ARCHIVE_ENTRY_M
@public
#endif
	OFStream *_stream;
@protected
	OFTarArchiveEntry *_lastReturnedEntry;
	OFTarArchiveEntry *_Nullable _lastReturnedEntry;
}

/*!
 * @brief Creates a new OFTarArchive object with the specified stream.
 *
 * @param stream A stream from which the tar archive will be read
 * @return A new, autoreleased OFTarArchive

	OFStream *_stream;
	bool _atEndOfStream;
	OFString *_fileName;
	uint32_t _mode;
	uint64_t _size, _toRead;
	OFDate *_modificationDate;
	of_tar_archive_entry_type_t _type;
	OFString *_targetFileName;
	OFString *_owner, *_group;
	OFString *_Nullable _targetFileName;
	OFString *_Nullable _owner, *_Nullable _group;
	uint32_t _deviceMajor, _deviceMinor;
}

/*!
 * The file name of the entry.
 */
@property (readonly, nonatomic) OFString *fileName;

		OF_THREAD_WAITING_FOR_JOIN
	} _running;
	void *_pool;
# ifdef OF_HAVE_BLOCKS
	of_thread_block_t _threadBlock;
# endif
	id _returnValue;
	OFRunLoop *_runLoop;
	OFRunLoop *_Nullable _runLoop;
	OFMutableDictionary *_threadDictionary;
@private
	OFString *_name;
	OFString *_Nullable _name;
}

#ifdef OF_HAVE_BLOCKS
/*!
 * The block to execute in the thread.
 */
@property (readonly, nonatomic) of_thread_block_t threadBlock;

 *
 * @brief A class for creating and firing timers.
 */
@interface OFTimer: OFObject <OFComparing>
{
	OFDate *_fireDate;
	of_time_interval_t _interval;
	id _target, _object1, _object2;
	id _target;
	id _Nullable _object1, _object2;
	SEL _selector;
	uint8_t _arguments;
	bool _repeats;
#ifdef OF_HAVE_BLOCKS
	of_timer_block_t _block;
#endif
	bool _valid;
#ifdef OF_HAVE_THREADS
	OFCondition *_condition;
	bool _done;
#endif
	OFRunLoop *_inRunLoop;
	OFRunLoop *_Nullable _inRunLoop;
}

/*!
 * The time interval in which the timer will repeat, if it is a repeating
 * timer.
 */
@property (readonly, nonatomic) of_time_interval_t timeInterval;

 *
 * @brief A class for parsing URLs and accessing parts of it.
 */
@interface OFURL: OFObject <OFCopying, OFMutableCopying, OFSerialization>
{
	OFString *_scheme, *_host;
	uint16_t _port;
	OFString *_user, *_password, *_path, *_parameters, *_query, *_fragment;
	OFString *_Nullable _user, *_Nullable _password, *_path;
	OFString *_Nullable _parameters, *_Nullable _query;
	OFString *_Nullable _fragment;
}

/*!
 * The scheme part of the URL.
 */
@property (readonly, nonatomic, copy) OFString *scheme;

 * @class OFXMLAttribute OFXMLAttribute.h ObjFW/OFXMLAttribute.h
 *
 * @brief A representation of an attribute of an XML element as an object.
 */
@interface OFXMLAttribute: OFXMLNode
{
@public
	OFString *_name, *_namespace, *_stringValue;
	OFString *_name, *_Nullable _namespace, *_stringValue;
}

/*!
 * The name of the attribute.
 */
@property (readonly, nonatomic) OFString *name;

/*!
 * @class OFXMLElement OFXMLElement.h ObjFW/OFXMLElement.h
 *
 * @brief A class which stores an XML element.
 */
@interface OFXMLElement: OFXMLNode
{
	OFString *_name, *_namespace, *_defaultNamespace;
	OFMutableArray OF_GENERIC(OFXMLAttribute *) *_attributes;
	OFMutableDictionary OF_GENERIC(OFString *, OFString *) *_namespaces;
	OFMutableArray OF_GENERIC(OFXMLNode *) *_children;
	OFString *_name, *_Nullable _namespace, *_Nullable _defaultNamespace;
	OFMutableArray OF_GENERIC(OFXMLAttribute *) *_Nullable _attributes;
	OFMutableDictionary OF_GENERIC(OFString *, OFString *) *_Nullable
	    _namespaces;
	OFMutableArray OF_GENERIC(OFXMLNode *) *_Nullable _children;
}

/*!
 * The name of the element.
 */
@property (nonatomic, copy) OFString *name;

 * It can also be used to build OFXMLElements from parts of the document by
 * first parsing stuff using the OFXMLParser with another delegate and then
 * setting the OFXMLElementBuilder as delegate for the parser.
 */
@interface OFXMLElementBuilder: OFObject <OFXMLParserDelegate>
{
	OFMutableArray OF_GENERIC(OFXMLElement *) *_stack;
	id <OFXMLElementBuilderDelegate> _delegate;
	id <OFXMLElementBuilderDelegate> _Nullable _delegate;
}

/*!
 * The delegate for the OFXMLElementBuilder.
 */
@property OF_NULLABLE_PROPERTY (nonatomic, assign)
    id <OFXMLElementBuilderDelegate> delegate;

 * @brief An event-based XML parser.
 *
 * OFXMLParser is an event-based XML parser which calls the delegate's callbacks
 * as soon as it finds something, thus suitable for streams as well.
 */
@interface OFXMLParser: OFObject <OFStringXMLUnescapingDelegate>
{
	id <OFXMLParserDelegate> _delegate;
	id <OFXMLParserDelegate> _Nullable _delegate;
	enum of_xml_parser_state {
		OF_XMLPARSER_IN_BYTE_ORDER_MARK,
		OF_XMLPARSER_OUTSIDE_TAG,
		OF_XMLPARSER_TAG_OPENED,
		OF_XMLPARSER_IN_PROCESSING_INSTRUCTIONS,
		OF_XMLPARSER_IN_TAG_NAME,
		OF_XMLPARSER_IN_CLOSE_TAG_NAME,

		OF_XMLPARSER_IN_COMMENT_OPENING,
		OF_XMLPARSER_IN_COMMENT_1,
		OF_XMLPARSER_IN_COMMENT_2,
		OF_XMLPARSER_IN_DOCTYPE,
		OF_XMLPARSER_NUM_STATES
	} _state;
	size_t _i, _last;
	const char *_data;
	const char *_Nullable _data;
	OFMutableData *_buffer;
	OFString *_name, *_prefix;
	OFString *_Nullable _name, *_Nullable _prefix;
	OFMutableArray
	    OF_GENERIC(OFMutableDictionary OF_GENERIC(OFString *, OFString *) *)
	    *_namespaces;
	OFMutableArray OF_GENERIC(OFXMLAttribute *) *_attributes;
	OFString *_attributeName, *_attributePrefix;
	OFString *_Nullable _attributeName, *_Nullable _attributePrefix;
	char _delimiter;
	OFMutableArray OF_GENERIC(OFString *) *_previous;
	size_t _level;
	bool _acceptProlog;
	size_t _lineNumber;
	bool _lastCarriageReturn, _finishedParsing;
	of_string_encoding_t _encoding;

@interface OFZIPArchive: OFObject
{
	OFSeekableStream *_stream;
	uint32_t _diskNumber, _centralDirectoryDisk;
	uint64_t _centralDirectoryEntriesInDisk, _centralDirectoryEntries;
	uint64_t _centralDirectorySize;
	int64_t _centralDirectoryOffset;
	OFString *_archiveComment;
	OFString *_Nullable _archiveComment;
	OFMutableArray OF_GENERIC(OFZIPArchiveEntry *) *_entries;
	OFMutableDictionary OF_GENERIC(OFString *, OFZIPArchiveEntry *)
	    *_pathToEntryMap;
	OFStream *_lastReturnedStream;
	OFStream *_Nullable _lastReturnedStream;
}

/*!
 * The archive comment.
 */
@property (readonly, nonatomic) OFString *archiveComment;

{
	uint16_t _versionMadeBy, _minVersionNeeded, _generalPurposeBitFlag;
	uint16_t _compressionMethod;
	uint16_t _lastModifiedFileTime, _lastModifiedFileDate;
	uint32_t _CRC32;
	uint64_t _compressedSize, _uncompressedSize;
	OFString *_fileName;
	OFData *_extraField;
	OFString *_fileComment;
	OFData *_Nullable _extraField;
	OFString *_Nullable _fileComment;
	uint32_t _startDiskNumber;
	uint16_t _internalAttributes;
	uint32_t _versionSpecificAttributes;
	int64_t _localFileHeaderOffset;
}

/*!

#endif
	int flags;
	int reserved;
	void (*invoke)(void *block, ...);
	struct of_block_descriptor_t {
		unsigned long reserved;
		unsigned long size;
		void (*copy_helper)(void *dest, void *src);
		void (*dispose_helper)(void *src);
		void (*_Nullable copy_helper)(void *dest, void *src);
		void (*_Nullable dispose_helper)(void *src);
		const char *signature;
	} *descriptor;
} of_block_literal_t;

#ifdef __cplusplus
extern "C" {
#endif